diff --git a/package.json b/package.json
index a9c5e04a6fe..ce6f901dd9b 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
 		"grunt-bowercopy": "1.2.4",
 		"grunt-cli": "0.1.13",
 		"grunt-compare-size": "0.4.0",
-		"grunt-contrib-concat": "0.5.1",
+		"grunt-contrib-concat": "1.0.0",
 		"grunt-contrib-csslint": "0.5.0",
 		"grunt-contrib-jshint": "0.12.0",
 		"grunt-contrib-qunit": "1.0.1",
@@ -67,7 +67,7 @@
 		"grunt-contrib-uglify": "0.11.1",
 		"grunt-git-authors": "3.1.0",
 		"grunt-html": "6.0.0",
-		"grunt-jscs": "2.1.0",
+		"grunt-jscs": "2.6.0",
 		"load-grunt-tasks": "3.4.0",
 		"rimraf": "2.5.1",
 		"testswarm": "1.1.0"